Feat/nicer debugging

[oskarrough]

Before this PR the syntax for debugging in the browser looked like this, and actually, it wouldn't even work most of the time.

slaytheweb.game.enqueue({type: 'drawCards', amount: 2})
slaytheweb.component.dequeue() // this dequeues the game AND updates the component e.g. renders

now it looks like this:

stw.game.enqueue({type: 'drawCards', amount: 2})
stw.update() // dequeues game and rerenders UI component

Closes #111

[oskarrough]

hm still not great, but it's better.